@media screen and (min-width: 376px) {
  .introduction {
    width: 100%;
    background-color: #f1f9fc;
    position: relative;

    // 院部简介
    .academy {
      width: 90%;
      margin: auto;
      display: flex;
      justify-content: space-between;

      //   background-color: white;
      .academy-left {
        top: 10px;
        width: 20%;
        margin-top: -100px;
        z-index: 999;
        height: 200px;
        position: sticky;
        ul {
          li {
            width: 100%;
            height: 70px;
            text-align: center;
            line-height: 50px;
            padding-left: 30px;
            padding-right: 30px;
            list-style-type: none;
            background-color: white;
            font-size: 16px;
            position: relative;
            color: red;

            a:hover {
              font-size: 17px;
            }

            a {
              text-decoration: none;
              color: #005bac;
              font-size: 16px;
            }

            .p1 {
              width: 100%;
              height: 40px;
              margin-top: -40px;
              border-bottom: 2px solid #e6e6e6;
            }
          }

          li:nth-child(1) {
            background-color: #005bab;
            color: white;
            font-size: 18px;
            height: 100px;
            border-top-left-radius: 10px;
            border-top-right-radius: 10px;

            p {
              padding-top: 10px;
              color: white;
              text-align: center;
              margin: auto;

              span {
                margin-top: -20px;
                text-align: center;
                display: block;
              }
            }
          }

          li:nth-child(2) {
            border: 1px solid white;
            border-bottom-left-radius: 10px;
            border-bottom-right-radius: 10px;
          }
        }
      }

      .academy-right {
        border: 3px solid #e8e8e8;
        width: 75%;
        background-color: white;

        .top {
          display: flex;
          justify-content: space-between;
          border-bottom: 3px solid #e8e8e8;
          height: 80px;
          width: 100%;
          .top-left {
            p {
              padding-left: 10px;
              color: #005bab;
              font-size: 20px;
              border-bottom: 5px solid #005bab;
              margin-top: 50px;
            }
          }

          .top-right {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 43px;
            margin-right: 10px;
            font-size: 16px;
            input {
              color: #cdcdcd;
              height: 20px;
              line-height: 20px;
              background-color: white;
              text-align: center;
              width: 30%;
              border: none;
            }

            img {
              width: 30px;
              height: 30px;
            }
          }
        }

        .bottom {
          padding: 10px;
          margin-top: 20px;

          // border: 1px solid #000;
          // #one:target {
          //   display: block;
          // }

          // #two:target {
          //   display: block;
          // }

          // #third:target {
          //   display: block;
          // }

          #one {
            display: block;

            #bottom1:hover {
              color: #c12e2a;
            }

            #bottom1 {
              margin-top: 30px;
              display: flex;
              justify-content: space-between;
              font-size: 18px;
              border-bottom: 3px solid #fbfbfb;
              li {
                width: 80%;
              }
              .bottom2 {
                padding-left: 10px;
                padding-right: 10px;
                display: flex;
                justify-content: space-between;
                align-items: center;

                img {
                  width: 20px;
                  height: 20px;
                }
              }
            }
          }

          #two {
            display: none;

            .two-top {
              width: 95%;
              margin: auto;
              // float: left;
              display: flex;
              justify-content: space-between;
              flex-wrap: wrap;

              .two1 {
                width: 45%;
                margin-top: 20px;
                background-color: #f8f8f8;

                .once {
                  width: 90%;
                  margin: auto;
                  border: 1px solid #ededed;
                }

                p {
                  padding: 10px;
                }

                .second {
                  text-align: right;
                  width: 150px;
                  margin-left: 260px;

                  p {
                    display: flex;
                    align-items: center;
                    margin-left: 10px;
                    color: #e5e5e5;

                    img {
                      width: 20px;
                      height: 20px;
                    }
                  }
                }

                .logo {
                  margin-top: 20px;
                  margin-bottom: 20px;
                  width: 25%;
                  margin-left: 35%;
                  height: 100px;
                }
              }
            }
          }

          #third {
            display: none;

            .three1 {
              padding: 10px;
              display: flex;
              align-items: center;

              .three-left {
                width: 30%;
                background-color: #f4f4f4;

                img {
                  padding-top: 10px;
                  padding-bottom: 10px;
                  height: 150px;
                  margin-left: 17.5%;
                }
              }

              .three-right {
                border: 3px solid #f5f5f5;
                width: 100%;
                padding: 20px;
                background-color: #fff;
                margin-left: -20px;

                .three-top {
                  font-size: 18px;
                }

                .three-bottom {
                  display: flex;
                  align-items: center;

                  p {
                    margin-top: 20px;
                    margin-bottom: 20px;
                    font-size: 14px;
                  }

                  // border: 1px solid red;
                  img {
                    width: 15px;
                    height: 15px;
                  }
                }
              }
            }
          }

          .bottom-top {
            text-align: right;
            margin: 10px;

            img:hover {
              filter: drop-shadow(0 0 0 #c60000);
            }

            img {
              margin-left: 10px;

              width: 20px;
              height: 20px;
            }
          }

          //查看更多
          .news3 {
            display: flex;
            text-align: center;
            align-items: center;
            justify-content: center;
            padding: 40px;
            color: #c3c3c3;

            img {
              transform: rotate(180deg);
              width: 20px;
              height: 20px;
              margin-left: 5px;
            }
          }
        }
      }
    }

    // 轮播图
    .tdesign-demo-block--swiper {
      img {
        width: 100%;
        height: 500px;
      }
    }

    // 头导航
    .nav {
      width: 100%;
      position: absolute;
      background-color: rgba($color: #000, $alpha: 0.2);
      height: 50px;
      line-height: 50px;
      display: flex;
      justify-content: space-between;
      padding-left: 5%;
      padding-right: 5%;
      z-index: 999;
      .image2 {
        display: none;
      }

      .image4 {
        display: none;
      }

      ul {
        width: 100%;
        display: flex;
        justify-content: space-between;

        // li:hover {
        //   border-bottom: 2px solid blue;
        // }

        li {
          list-style: none;
          width: 10%;
          text-align: center;
          a {
            color: #fff;
            text-decoration: none;
          }
        }
      }
    }

    // 底部
    .foot {
      width: 100%;
      height: 100%;
      margin: auto;
      background-image: url(/img/wx3.jpg);
      padding-top: 10px;
      .foot-one {
        display: none;
      }
      .foot-top {
        width: 90%;
        margin: auto;
        display: flex;
        justify-content: space-between;
        margin-bottom: 20px;

        .left {
          width: 40%;

          ul {
            li:nth-child(1) {
              font-size: 20px;
              margin-bottom: 20px;
            }

            li {
              margin-top: 5px;
              color: white;
              list-style-type: none;
            }
          }
        }

        .center {
          width: 38%;

          img {
            margin: auto;
            margin-top: 50px;
            width: 80%;
            height: 80px;
          }
        }

        .right {
          width: 20%;
          .code {
            display: none;
          }
          img:nth-child(1) {
            margin-left: 10px;
            width: 40px;
            height: 40px;
          }

          img:nth-child(2) {
            margin-top: 70px;
            margin-left: 20px;
            width: 38px;
            height: 38px;
          }
        }
      }

      .foot-bottom {
        text-align: center;
        padding-bottom: 10px;

        p {
          color: white;
        }
      }
    }
  }
}
